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houxiao

2017-08-16 663104b9be90ed303b87c8acddac8421583a9e39

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// 
//  LiveServerMediaSubsession.cpp 
//  FFmpegRTSPServer 
// 
//  Created by Mina Saad on 9/22/15. 
//  Copyright (c) 2015 Mina Saad. All rights reserved. 
// 
 
#include "LiveServerMediaSubsession.h" 
#include "H264FramedSource.h" 
 
namespace MESAI 
{ 
 
LiveServerMediaSubsession * LiveServerMediaSubsession::createNew(UsageEnvironment& env, StreamReplicator* replicator) 
{ 
    return new LiveServerMediaSubsession(env,replicator); 
} 
 
FramedSource* LiveServerMediaSubsession::createNewStreamSource(unsigned clientSessionId, unsigned& estBitrate) 
{ 
    FramedSource* source = m_replicator->createStreamReplica(); 
    estBitrate = 512 * 1024 * 8;//#todo 
    return H264VideoStreamDiscreteFramer::createNew(envir(), source); 
} 
 
RTPSink* LiveServerMediaSubsession::createNewRTPSink(Groupsock* rtpGroupsock,  unsigned char rtpPayloadTypeIfDynamic, FramedSource* inputSource) 
{ 
    return H264VideoRTPSink::createNew(envir(), rtpGroupsock,rtpPayloadTypeIfDynamic); 
} 
 
char const* LiveServerMediaSubsession::sdpLines() 
{ 
    if (m_SDPLines.empty()) 
    { 
        m_SDPLines.assign(OnDemandServerMediaSubsession::sdpLines()); 
 
        H264FramedSource* framedSource = nullptr; 
        { 
            FramedSource* _framedSource = m_replicator->inputSource(); 
            framedSource = dynamic_cast<H264FramedSource*>(_framedSource); 
        }; 
 
        if (framedSource != nullptr) 
        { 
            m_SDPLines.append(framedSource->getAuxLine()); 
        } 
    } 
 
    return m_SDPLines.c_str(); 
} 
 
}